Science

Tuesday, 18 August 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Snow
Snow is formed from the finest droplets of over-cooled water in clouds.
These droplets attach themselves to nuclei of crystallization, which can be, for example, dust parti ...
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...
NASA
On May 12th, 2022, NASA’s Event Horizon Telescope captured the first image of the supermassive black hole at the center of the Milky Way.
lava
Lavas are divided into three types based on their silicon dioxide (SiO2) content.
Lavas are distinguished by their acidity: Acidic, which have a high silica content, are viscous, fl ...
Amber
Amber comes in various shapes and a wide range of shades.
Shapes resemble raindrops, rods, or lenses, and vary in shades of yellow, red, orange, brown, and even white opaque. Approximately 300 colors have been cataloged up to this day.
Moon
The crushed and fragmented rock material that covers the Moon's surface is called regolith.
The thickness of the regolith cover in sea areas ranges from 3 - 5 m and in the highlands 10 - 20 m.
Cosmos
Light from the surface of the Sun to Earth travels about 8 minutes and 10 seconds.
This means that when we look at the Sun in the sky, we see it where it was more than 8 minutes ago.
Cosmos
About 4.6 billion years ago, a cloud of gas and dust existed at the site of the Solar System.
According to one theory, the balance of this cloud was upset by the explosion of a nearby supernova. ...
NASA
On September 26th, 2022, the DART mission successfully hit an asteroid.
The Double Asteroid Redirection Test (DART) mission launched on November 24th, 2021 with an aim of c ...
Earth
The Earth's core is a ball with a diameter of 6940 km - so it is larger than Mars.
It is made of an alloy of nickel and iron with small admixtures of other elements. It reaches temperatures from 5500 to 6500 degrees Celsius and the pressure there is 13.5 million atmospheres.